| Gahanna to Carlsbad (California) | 1,955.36 mi (3,146.85 km) |
| Gahanna to Carlsbad (New Mexico) | 1,298.50 mi (2,089.73 km) |
| Gahanna to Carmel (Indiana) | 173.78 mi (279.67 km) |
| Gahanna to Carmichael (California) | 2,041.87 mi (3,286.08 km) |
| Gahanna to Carney (Maryland) | 339.61 mi (546.55 km) |
| Gahanna to Carnot-Moon (Pennsylvania) | 143.59 mi (231.08 km) |
| Gahanna to Carol Stream (Illinois) | 304.24 mi (489.62 km) |
| Gahanna to Carolina (Puerto Rico) | 1,800.63 mi (2,897.83 km) |
| Gahanna to Carolina Forest (South Carolina) | 484.35 mi (779.49 km) |
| Gahanna to Carpentersville (Illinois) | 317.53 mi (511.01 km) |
| Gahanna to Carpinteria (California) | 2,038.96 mi (3,281.39 km) |
| Gahanna to Carrboro (North Carolina) | 349.93 mi (563.16 km) |
| Gahanna to Carroll (Iowa) | 640.51 mi (1,030.81 km) |
| Gahanna to Carrollton (Georgia) | 461.77 mi (743.15 km) |
| Gahanna to Carrollton (Texas) | 917.00 mi (1,475.76 km) |
